In recent years, it is new renaissance of international construction in Korea. Nevertheless, many countries are competing fiercely for more contracts. Therefore, a countermeasure is needed for upgrade to take better position in the world market. Futhermore, there is a weakness for scarcity of a specialist for international construction in Korea. Attempts to find a solution has to be approached by making effective arrangement of specialist rather than by increasing number of them, though. Therefore, this paper identifies a solution through drawing factors of competence for a specialist in the international construction. In its final analysis, drawing and analyzing the factors that are need for them and, do importance-performance analysis. Therefore, raise korean competitiveness in the international construction fields through using and training them accurately.